1 files changed, 29 insertions, 14 deletions

diff --git a/toolsrc/include/OptBool.h b/toolsrc/include/OptBool.h
index 4098e6f03..b6b26833b 100644
--- a/toolsrc/include/OptBool.h
+++ b/toolsrc/include/OptBool.h
@@ -3,31 +3,46 @@
 #include <string>
 #include <map>
 
-namespace vcpkg::OptBool
+namespace vcpkg
 {
-    enum class Type
+    struct OptBool final
     {
-        UNSPECIFIED = 0,
-        ENABLED,
-        DISABLED
+        enum class BackingEnum
+        {
+            UNSPECIFIED = 0,
+            ENABLED,
+            DISABLED
+        };
+
+        static OptBool parse(const std::string& s);
+
+        template<class T>
+        static OptBool from_map(const std::map<T, std::string>& map, const T& key);
+
+        constexpr OptBool() : backing_enum(BackingEnum::UNSPECIFIED) {}
+        constexpr explicit OptBool(BackingEnum backing_enum) : backing_enum(backing_enum) { }
+        constexpr operator BackingEnum() const { return backing_enum; }
+
+    private:
+        BackingEnum backing_enum;
     };
 
-    Type parse(const std::string& s);
+    namespace OptBoolC
+    {
+        constexpr OptBool UNSPECIFIED(OptBool::BackingEnum::UNSPECIFIED);
+        constexpr OptBool ENABLED(OptBool::BackingEnum::ENABLED);
+        constexpr OptBool DISABLED(OptBool::BackingEnum::DISABLED);
+    }
 
-    template <class T>
-    Type from_map(const std::map<T, std::string>& map, const T& key)
+    template<class T>
+    OptBool OptBool::from_map(const std::map<T, std::string>& map, const T& key)
     {
         auto it = map.find(key);
         if (it == map.cend())
         {
-            return Type::UNSPECIFIED;
+            return OptBoolC::UNSPECIFIED;
         }
 
         return parse(*it);
     }
 }
-
-namespace vcpkg
-{
-    using OptBoolT = OptBool::Type;
-}
\ No newline at end of file